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r17980: handle NULL arguments without crashing in strcasecmp_m() and

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strncasecmp_m(). This makes the use of these functions in sorting
routines with RPC replies sane
(This used to be commit 93413f8450)
This commit is contained in:
Andrew Tridgell 2006-09-01 04:23:24 +00:00 committed by Gerald (Jerry) Carter
parent f2c0831697
commit e424b054d1
1 changed files with 10 additions and 0 deletions
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10
source4/lib/charset/util_unistr.c
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@ -123,6 +123,11 @@ _PUBLIC_ int strcasecmp_m(const char *s1, const char *s2)
codepoint_t c1=0, c2=0;
size_t size1, size2;
/* handle null ptr comparisons to simplify the use in qsort */
if (s1 == s2) return 0;
if (s1 == NULL) return -1;
if (s2 == NULL) return 1;
while (*s1 && *s2) {
c1 = next_codepoint(s1, &size1);
c2 = next_codepoint(s2, &size2);
@ -202,6 +207,11 @@ _PUBLIC_ int strncasecmp_m(const char *s1, const char *s2, size_t n)
codepoint_t c1=0, c2=0;
size_t size1, size2;
/* handle null ptr comparisons to simplify the use in qsort */
if (s1 == s2) return 0;
if (s1 == NULL) return -1;
if (s2 == NULL) return 1;
while (*s1 && *s2 && n) {
n--;